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GIScience & Remote Sensing, Volume 48, Number 1 / January-March 2011“Although potential applications abound, small-scale unmanned aerial vehicles have not yet been widely used for environmental remote sensing. Several challenges remain to be…
"Have a look at: http://www.aircrash.org/burnelli/modlist.htm
The Burnelli designs are said to be very crashworthy http://www.aircrash.org/burnelli/chrono1.htm
and given the age of the designs they should be in the public domain"
The Burnelli designs are said to be very crashworthy http://www.aircrash.org/burnelli/chrono1.htm
and given the age of the designs they should be in the public domain"